Clamp for well-polished rods.



H. VV. NUTT. CLAMP FOR WELL POLISHED RODS. APPLICATloN man APR. l. 191e.

Patented May 8, 1917.

.kl/#hessen uw /L f. m

/nyentag n1: mmm: Ermes oo.. Fnonruma. wAsnmcmN. n f

considerable length and there is inuch weight in its lower portion.` Icontend that I have overcome these dilliculties and that my device willalways grip and hold the rod irrespective of any weight below orwhatever lubricantl may be upon its' surface. VThe device. is alsoextremely convenient andV speedy of adjustment and operation under allcircumstances, and one clamp will lit any rod ofV the sizes in ordinaryuse.' It is also economical .in cost and 'ofrconvenient form to becarried about in the operat-ors ,equipment. f

Having thus fully described my new and useful device, I claim-e -AYclamping device of the character described, consistingVv of twooppositely disposed arms of suitable length,

the jaws to said arms` having oppositely disposed curved jaws provided'with teeth and tw-o lateral straps within and near the ends of whichsaid'arms j are pivotally mounted and so arranged that the grippingfaces of the jaws are movable a suitable distance apart and thecurvatureof each is eccentrical to the center of its arm pivot in apre-determined manner to 'adapt engage the opposite sides of acylindrical object between them and the arms to Jforthwith engage Yanupper end or' a rigid casing surface 'below'eacln substantially asdescribed.V Y p v Y Y HUGH V. 'NUTTL YVitnesses': Y' Y Y' Y EARL BALL,N. N. BLUMENSAADT.

Copies of thispateut may be obtained for ve cents each, by addressingthe Commissioner of Patents Washington, D. C. V- Y seV

